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<h1>Incremental Fetch</h1>
<p>Incremental fetch divides large documents or layouts into pages, thereby 
 loading the data in batches (or blocks) rather than all at the same time. 
 This improves the usability and performance of a large document or layout, 
 by reducing the load and overall memory usage on the web server. </p>
<p>You can define the incremental fetch options in both MicroStrategy Web 
 and in Desktop, but incremental fetch is applied only when the document 
 is executed in Editable Mode, Interactive Mode, or View Mode in MicroStrategy 
 Web. Desktop does not apply incremental fetch to documents.</p>
<p>The blocks of data are defined by the number of objects (the block size) 
 to return at a certain level. If the document or layout is grouped, you 
 can select any group as the level. If it is not, then the block size is 
 applied to the Detail section. </p>
<p>For example, each row in the Details section of a document contains 
 the Item attribute and several metrics. Incremental fetch is applied, 
 with a block size of ten. In MicroStrategy Web, only ten rows of items 
 are displayed on a single page. You can navigate to another page to display 
 more information.</p>
<p>If the same document is grouped by Call Center, incremental fetch can 
 be applied at the level of Call Center, with a block size of five. In 
 MicroStrategy Web, data for five Call Centers are displayed on a single 
 page. </p>
<p>For more detailed examples, see the <span style="font-style: italic;"><I>MicroStrategy 
 Report Services Document Creation Guide</I></span>. </p>
<p><span style="font-weight: bold;"><B>Note</B></span>: Groups that are displayed 
 as only a single element cannot be used as the level, since &quot;All&quot; 
 needs to be the selected grouping option. If the document or layout is 
 not grouped or all the groups are displayed as single elements only, the 
 only option is the Detail section.</p>
<p>You can also apply incremental fetch to Grid/Graphs on a document. For 
 details, see 
<a href="Incremental_Fetch_on_Grid_Graphs.htm">Incremental 
 Fetch on Grid/Graphs</a>.</p>
<h2>To apply incremental fetch to a document</h2>
<ol><ul>
<li class=p-First-Steps-Do-Not-Type-Text><p class=First-Steps-Do-Not-Type-Text>&nbsp;</p></li>
	</ul>
	
<li style="font-size: 9pt;" class=p-Steps><p class=Steps>Open a document 
 in the Document Editor. </p></li>
	
<li style="font-size: 9pt;" class=p-Steps><p class=Steps>If the document 
 contains multiple layouts, select the layout to apply incremental fetch 
 to.</p></li>
	
<li style="font-size: 9pt;" class=p-Steps><p class=Steps>From the <span 
 style="font-weight: bold;"><B>Format </B></span>menu, choose <span style="font-weight: bold;"><B>Document 
 Properties</B></span>. The Document Properties dialog box opens.</p></li>
	
<li style="font-size: 9pt;" class=p-Steps><p class=Steps>Select <span 
 style="font-weight: bold;"><B>Incremental Fetch</B></span>. </p></li>
	
<li style="font-size: 9pt;" class=p-Steps><p class=Steps>Select the 
 <span style="font-weight: bold;"><B>Enable Incremental Fetch</B></span> check 
 box.</p></li>
	
<li style="font-size: 9pt;" class=p-Steps><p class=Steps>From the <span 
 style="font-weight: bold;"><B>Fetch Level</B></span> drop-down list, select the 
 object to be counted for the incremental fetch level. </p></li>
	<ul>
<li class=p-Steps-Bulleted-1><p class=Steps-Bulleted-1>If the document 
 or layout is grouped, the groups are displayed in the drop-down list. 
 Groups that are displayed as single element only are not shown on this 
 list. </p></li>
		
<li class=p-Steps-Bulleted-1><p class=Steps-Bulleted-1>If the document 
 or layout is not grouped or all the groups are displayed as single elements 
 only, the only option is the Detail section. </p></li>
	</ul>
	
<li style="font-size: 9pt;" class=p-Steps><p class=Steps>Enter the 
 <span style="font-weight: bold;"><B>Block Size</B></span>, which is <span style="font-weight: bold;"><B>&nbsp;</B></span>the 
 number of objects (of the <span style="font-weight: bold;"><B>Fetch Level</B></span>) 
 that are returned in each block. </p></li>
	
<li style="font-size: 9pt;" class=p-Steps><p class=Steps>Click <span 
 style="font-weight: bold;"><B>OK</B></span> to return to the document.</p></li>
</ol>
<p>To see the results of the incremental fetch, open the document in MicroStrategy 
 Web in Editable Mode, Interactive Mode, or View Mode.</p>
<p class=Tip-Note-Heading>Related topics</p>
<ul>
<li class=p-First-Bullet-Do-Not-Type-Text><p class=First-Bullet-Do-Not-Type-Text>&nbsp;</p></li>
	
<li class=p-Topic-Text-Bulleted><p class=Topic-Text-Bulleted>
<a href="Grouping_data.htm">Grouping 
 records in a document</a></p></li>
	
<li class=p-Topic-Text-Bulleted><p class=Topic-Text-Bulleted>
<a href="Using_pageby_on_a_document.htm">About 
 using page-by on a document</a></p></li>
	
<li class=p-Topic-Text-Bulleted><p class=Topic-Text-Bulleted>
<a href="Multi_layout_documents.htm">About 
 multi-layout documents</a></p></li>
</ul>
<p>&nbsp;</p>
<p>&nbsp;</p>
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